Watch case



FIG. 1 is a front perspective view of a watch case showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top end view thereof; and,

FIG. 7 is a bottom end view thereof.

The broken lines showing hands and watch band are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a watch case, as shown and described. 